1) Yan an plantation
延安人工林区
1.
In order to provide scientific bases for the prevention and control of pest small mammals ,the seasonal fluctuations of the small mammals community were studied in the Yan an plantation region.
利用生物量、物种数、多样性指数、均匀度指数等变量,对延安人工林区小型兽类群落的季节性变化进行了调查。
2) Yan an forest region
延安林区
1.
Clustering analysis of rodent communities in Yan an forest region;
延安林区啮齿动物群落的聚类分析
2.
Eight species under 2 families and 6 genera of the geocole rodents were discovered in Yan an forest region.
延安林区共有地栖鼠类 8种 ,分属 2科 6属。
4) artificial forest cutting area
人工林伐区
1.
Effects of skidding by suspended cable on the physical and chemical properties of soil of artificial forest cutting area
人工林伐区索道集材对土壤理化性状的影响
5) artificial division method
人工区划法(林)
6) Yanbian forest region
延边林区
1.
Assessment of sustainable development in Yanbian forest region based on ecological footprint model.;
基于生态足迹模型的延边林区可持续发展评价
补充资料:人工受精与人工授精
人工受精与人工授精
artificial fertilization and artificial insemination
我国学者把“人工受精”与“人工授精”两名词区别开来:前者指人工体外受精而言,后者指把精液注入到妇女的阴道或宫颈管、宫腔内,使精、卵在体内相遇。人卵体外受精与胚胎移植后出生的婴儿俗称试管婴儿。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条